Eventually it is found out but it takes time especially in the conditions when communication is difficult when the enemy is making it extremely awkward for information to come out to go.

Random Quote

The plane took off at 8:10 in the morning - or that's when it was scheduled to take off. And that's when I believe it took off. I had been in my office at the Department of Justice. Someone told me that there had been the two strikes that occurred at the World Trade Center.